ASTM A519 4135 4140 Qt Heat Treatment Alloy Mechanical Seamless Steel Tube

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ASTM A519 4135 4140 Qt Heat Treatment Alloy Mechanical Seamless Steel Tube

China ASTM A519 4135 4140 Qt Heat Treatment Alloy Mechanical Seamless Steel Tube, Find details about China 4140 Qt Steel Tube, 4140 Seamless Steel Tube from ASTM A519 4135 4140 Qt Heat Treatment Alloy Mechanical Seamless Steel Tube

Basic Info.

Model NO.

4140 QT steel tube

out Diameter

20-508mm

Thickness

2-60mm

Length

10-13m

Trademark

Shandong Zayi

Transport Package

in Bundles

Specification

89*10

Origin

China

HS Code

7304599090

Model NO.

4140 QT steel tube

out Diameter

20-508mm

Thickness

2-60mm

Length

10-13m

Trademark

Shandong Zayi

Transport Package

in Bundles

Specification

89*10

Origin

China

HS Code

7304599090

Product Desciption

Product	ASTM A519 4135 4140 QT heat treatment alloy mechanical seamless steel tube
Standard	ASTM A519
Material	4140 4135
Surface	Black paint, varnish, oil, galvanized
Pipe Length	5.8 m to 12 m, can be customized according to the length requirements
Pipe Ends	Plain Ends, Beveled Ends
End Protector	1. Plastic caps (small OD) 2. Iron protector (large OD)
Application	Fluid pipe, oil pipe, gas pipe, structure pipe, boiler tubes
Test	Chemical Component Analysis, Mechanical Properties, Technical Properties, Exterior Size
Productivity	50000 tons per month
Min Order	20 ton
Remark	Special design available according to requirement

4140 chemical composition:

C	Si	Mn	P	S	Cr	Mo
0.38 - 0.45	max 0.4	0.6 - 0.9	max 0.025	max 0.035	0.9 - 1.2	0.15 - 0.3

4135 chemical composition:

C	Si	Mn	P	S	Cr	Mo
0.3 - 0.37	max 0.4	0.6 - 0.9	max 0.025	max 0.035	0.9 - 1.2	0.15 - 0.3

Manufacturing:
ASTM A519 4135 4140 Qt Heat Treatment Alloy Mechanical Seamless Steel Tube

ASTM A519 4135 4140 Qt Heat Treatment Alloy Mechanical Seamless Steel Tube

Packing: